Datasheet > UPD46128953F1-EB1

UPD46128953F1-EB1

更新时间： 2022-03-04 05:56:54

品牌	Logo	应用领域
日电电子 - NEC		双倍数据速率
页数	文件大小	规格书
60页	468K
描述
128M-BIT CMOS MOBILE SPECIFIED RAM 4M-WORD BY 32-BIT ADDRESS / DATA MULTIPLEXED EXTENDED TEMPERATURE OPERATION

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PRELIMINARY DATA SHEET

MOS INTEGRATED CIRCUIT

μPD46128953-X

128M-BIT CMOS MOBILE SPECIFIED RAM

4M-WORD BY 32-BIT

ADDRESS / DATA MULTIPLEXED

EXTENDED TEMPERATURE OPERATION

Description

The μPD46128953-X is a high speed, low power, 134,217,728 bits (4,194,304 words by 32 bits) CMOS Mobile

Specified RAM featuring synchronous burst read and synchronous burst write function.

The μPD46128953-X realizes high performance with the SDR interface, command and data inputs / outputs are

synchronized the rising edge of clock.

The μPD46128953-X is fabricated with advanced CMOS technology using one-transistor memory cell.

Features

• 4,194,304 words by 32 bits organization

• Low voltage operation: 1.7 to 2.0 V (1.85 0.15 V)

• Operating ambient temperature: T^A= −25 to +85 °C

• Synchronous burst mode

Burst length

: 8 double words (Wrap)

Burst sequence

: Linear burst

Maximum clock frequency : 83 / 66 MHz

• SDR (Single Data Rate) Architecture

One data transfers per one clock cycle

All inputs/outputs are synchronized with the positive edge of the clock

• Write data mask (DM) for write operation

• Output Enable: /OE pin

• Chip Enable input: /CE1 pin

• Standby Mode input: CE2 pin

• Standby Mode 1: Normal standby (Memory cell data hold valid)

• Standby Mode 2: Density of memory cell data hold is variable

μPD46128953

Clock

frequency

MHz

Operating

supply

voltage

Operating

ambient

temperature

°C

Supply current

At operating mA

At standby μA

(MAX.)

-E12X ^Note

-E15X

1.7 to 2.0

−25 to +85

T.B.D.

Note Under consideration

The information in this document is subject to change without notice. Before using this document, please

confirm that this is the latest version.

Not all products and/or types are available in every country. Please check with an NEC Electronics

sales representative for availability and additional information.

Document No. M17506EJ1V1DS00 (1st edition)

Date Published September 2005 CP (K)

Printed in Japan

2005

12 3 4 5 6 7...60

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